Home / 7,341.16-10,130.88-3,984.00

Finding the Fourth Proportional to 7,341.16, 10,130.88 and 3,984.00

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Solution

The fourth proportional to 7,341.16, 10,130.88 and 3,984.00 is: 5,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.16 : 10,130.88 = 3,984.00 : x
  2. Step 2: Convert to fraction form
    7,341.16/10,130.88 = 3,984.00/x
  3. Step 3: Cross multiply
    7,341.16x = 10,130.88 × 3,984.00
  4. Step 4: Simplify right side
    7,341.16x = 40,361,465.94
  5. Step 5: Solve for x
    x = 40,361,465.94/7,341.16
  6. Step 6: Final answer
    x = 5,497.97

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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.