Home / 5,421.04-7,480.96-2,937.04

Finding the Fourth Proportional to 5,421.04, 7,480.96 and 2,937.04

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Solution

The fourth proportional to 5,421.04, 7,480.96 and 2,937.04 is: 4,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.04 : 7,480.96 = 2,937.04 : x
  2. Step 2: Convert to fraction form
    5,421.04/7,480.96 = 2,937.04/x
  3. Step 3: Cross multiply
    5,421.04x = 7,480.96 × 2,937.04
  4. Step 4: Simplify right side
    5,421.04x = 21,971,878.76
  5. Step 5: Solve for x
    x = 21,971,878.76/5,421.04
  6. Step 6: Final answer
    x = 4,053.07

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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.