Home / 7,957.16-10,981.13-4,420.65

Finding the Fourth Proportional to 7,957.16, 10,981.13 and 4,420.65

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Solution

The fourth proportional to 7,957.16, 10,981.13 and 4,420.65 is: 6,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.16 : 10,981.13 = 4,420.65 : x
  2. Step 2: Convert to fraction form
    7,957.16/10,981.13 = 4,420.65/x
  3. Step 3: Cross multiply
    7,957.16x = 10,981.13 × 4,420.65
  4. Step 4: Simplify right side
    7,957.16x = 48,543,710.23
  5. Step 5: Solve for x
    x = 48,543,710.23/7,957.16
  6. Step 6: Final answer
    x = 6,100.64

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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.