Home / 7,047.10-10,582.80-4,981.60

Finding the Fourth Proportional to 7,047.10, 10,582.80 and 4,981.60

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Solution

The fourth proportional to 7,047.10, 10,582.80 and 4,981.60 is: 7,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.10 : 10,582.80 = 4,981.60 : x
  2. Step 2: Convert to fraction form
    7,047.10/10,582.80 = 4,981.60/x
  3. Step 3: Cross multiply
    7,047.10x = 10,582.80 × 4,981.60
  4. Step 4: Simplify right side
    7,047.10x = 52,719,276.48
  5. Step 5: Solve for x
    x = 52,719,276.48/7,047.10
  6. Step 6: Final answer
    x = 7,480.99

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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.