Home / 4,869.02-7,300.16-3,115.10

Finding the Fourth Proportional to 4,869.02, 7,300.16 and 3,115.10

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Solution

The fourth proportional to 4,869.02, 7,300.16 and 3,115.10 is: 4,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.02 : 7,300.16 = 3,115.10 : x
  2. Step 2: Convert to fraction form
    4,869.02/7,300.16 = 3,115.10/x
  3. Step 3: Cross multiply
    4,869.02x = 7,300.16 × 3,115.10
  4. Step 4: Simplify right side
    4,869.02x = 22,740,728.42
  5. Step 5: Solve for x
    x = 22,740,728.42/4,869.02
  6. Step 6: Final answer
    x = 4,670.49

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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.