Home / 6,931.04-9,565-3,787.52

Finding the Fourth Proportional to 6,931.04, 9,565 and 3,787.52

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Solution

The fourth proportional to 6,931.04, 9,565 and 3,787.52 is: 5,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.04 : 9,565 = 3,787.52 : x
  2. Step 2: Convert to fraction form
    6,931.04/9,565 = 3,787.52/x
  3. Step 3: Cross multiply
    6,931.04x = 9,565 × 3,787.52
  4. Step 4: Simplify right side
    6,931.04x = 36,227,628.80
  5. Step 5: Solve for x
    x = 36,227,628.80/6,931.04
  6. Step 6: Final answer
    x = 5,226.87

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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.