Home / 1,092.32-1,631.20-1,036.16

Finding the Fourth Proportional to 1,092.32, 1,631.20 and 1,036.16

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Solution

The fourth proportional to 1,092.32, 1,631.20 and 1,036.16 is: 1,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.32 : 1,631.20 = 1,036.16 : x
  2. Step 2: Convert to fraction form
    1,092.32/1,631.20 = 1,036.16/x
  3. Step 3: Cross multiply
    1,092.32x = 1,631.20 × 1,036.16
  4. Step 4: Simplify right side
    1,092.32x = 1,690,184.19
  5. Step 5: Solve for x
    x = 1,690,184.19/1,092.32
  6. Step 6: Final answer
    x = 1,547.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.