Home / 3,698.12-5,547.15-924.77

Finding the Fourth Proportional to 3,698.12, 5,547.15 and 924.77

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Solution

The fourth proportional to 3,698.12, 5,547.15 and 924.77 is: 1,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.12 : 5,547.15 = 924.77 : x
  2. Step 2: Convert to fraction form
    3,698.12/5,547.15 = 924.77/x
  3. Step 3: Cross multiply
    3,698.12x = 5,547.15 × 924.77
  4. Step 4: Simplify right side
    3,698.12x = 5,129,837.91
  5. Step 5: Solve for x
    x = 5,129,837.91/3,698.12
  6. Step 6: Final answer
    x = 1,387.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.