Home / 1,656.15-2,283.98-1,132.35

Finding the Fourth Proportional to 1,656.15, 2,283.98 and 1,132.35

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Solution

The fourth proportional to 1,656.15, 2,283.98 and 1,132.35 is: 1,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.15 : 2,283.98 = 1,132.35 : x
  2. Step 2: Convert to fraction form
    1,656.15/2,283.98 = 1,132.35/x
  3. Step 3: Cross multiply
    1,656.15x = 2,283.98 × 1,132.35
  4. Step 4: Simplify right side
    1,656.15x = 2,586,259.09
  5. Step 5: Solve for x
    x = 2,586,259.09/1,656.15
  6. Step 6: Final answer
    x = 1,561.61

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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.