Home / 4,972.48-6,862.28-2,984.12

Finding the Fourth Proportional to 4,972.48, 6,862.28 and 2,984.12

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Solution

The fourth proportional to 4,972.48, 6,862.28 and 2,984.12 is: 4,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.48 : 6,862.28 = 2,984.12 : x
  2. Step 2: Convert to fraction form
    4,972.48/6,862.28 = 2,984.12/x
  3. Step 3: Cross multiply
    4,972.48x = 6,862.28 × 2,984.12
  4. Step 4: Simplify right side
    4,972.48x = 20,477,866.99
  5. Step 5: Solve for x
    x = 20,477,866.99/4,972.48
  6. Step 6: Final answer
    x = 4,118.24

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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.