Home / 2,905.04-4,337.90-2,281.75

Finding the Fourth Proportional to 2,905.04, 4,337.90 and 2,281.75

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Solution

The fourth proportional to 2,905.04, 4,337.90 and 2,281.75 is: 3,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.04 : 4,337.90 = 2,281.75 : x
  2. Step 2: Convert to fraction form
    2,905.04/4,337.90 = 2,281.75/x
  3. Step 3: Cross multiply
    2,905.04x = 4,337.90 × 2,281.75
  4. Step 4: Simplify right side
    2,905.04x = 9,897,981.07
  5. Step 5: Solve for x
    x = 9,897,981.07/2,905.04
  6. Step 6: Final answer
    x = 3,407.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.