Home / 7,152.48-10,731.30-3,203.40

Finding the Fourth Proportional to 7,152.48, 10,731.30 and 3,203.40

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Solution

The fourth proportional to 7,152.48, 10,731.30 and 3,203.40 is: 4,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.48 : 10,731.30 = 3,203.40 : x
  2. Step 2: Convert to fraction form
    7,152.48/10,731.30 = 3,203.40/x
  3. Step 3: Cross multiply
    7,152.48x = 10,731.30 × 3,203.40
  4. Step 4: Simplify right side
    7,152.48x = 34,376,646.42
  5. Step 5: Solve for x
    x = 34,376,646.42/7,152.48
  6. Step 6: Final answer
    x = 4,806.26

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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.