Home / 5,787.10-7,981.23-4,526.20

Finding the Fourth Proportional to 5,787.10, 7,981.23 and 4,526.20

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Solution

The fourth proportional to 5,787.10, 7,981.23 and 4,526.20 is: 6,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.10 : 7,981.23 = 4,526.20 : x
  2. Step 2: Convert to fraction form
    5,787.10/7,981.23 = 4,526.20/x
  3. Step 3: Cross multiply
    5,787.10x = 7,981.23 × 4,526.20
  4. Step 4: Simplify right side
    5,787.10x = 36,124,643.23
  5. Step 5: Solve for x
    x = 36,124,643.23/5,787.10
  6. Step 6: Final answer
    x = 6,242.27

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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.