Home / 1,782.19-2,459.41-1,036.18

Finding the Fourth Proportional to 1,782.19, 2,459.41 and 1,036.18

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Solution

The fourth proportional to 1,782.19, 2,459.41 and 1,036.18 is: 1,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.19 : 2,459.41 = 1,036.18 : x
  2. Step 2: Convert to fraction form
    1,782.19/2,459.41 = 1,036.18/x
  3. Step 3: Cross multiply
    1,782.19x = 2,459.41 × 1,036.18
  4. Step 4: Simplify right side
    1,782.19x = 2,548,391.45
  5. Step 5: Solve for x
    x = 2,548,391.45/1,782.19
  6. Step 6: Final answer
    x = 1,429.92

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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.