Home / 1,750.19-2,416.23-1,277.61

Finding the Fourth Proportional to 1,750.19, 2,416.23 and 1,277.61

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Solution

The fourth proportional to 1,750.19, 2,416.23 and 1,277.61 is: 1,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.19 : 2,416.23 = 1,277.61 : x
  2. Step 2: Convert to fraction form
    1,750.19/2,416.23 = 1,277.61/x
  3. Step 3: Cross multiply
    1,750.19x = 2,416.23 × 1,277.61
  4. Step 4: Simplify right side
    1,750.19x = 3,086,990.55
  5. Step 5: Solve for x
    x = 3,086,990.55/1,750.19
  6. Step 6: Final answer
    x = 1,763.80

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Half scale
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Double scale
Find fourth proportional to 1,751.19, 2,417.61 and 1,278.61
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.