Home / 4,931.33-7,395.03-1,810.40

Finding the Fourth Proportional to 4,931.33, 7,395.03 and 1,810.40

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Solution

The fourth proportional to 4,931.33, 7,395.03 and 1,810.40 is: 2,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.33 : 7,395.03 = 1,810.40 : x
  2. Step 2: Convert to fraction form
    4,931.33/7,395.03 = 1,810.40/x
  3. Step 3: Cross multiply
    4,931.33x = 7,395.03 × 1,810.40
  4. Step 4: Simplify right side
    4,931.33x = 13,387,925.34
  5. Step 5: Solve for x
    x = 13,387,925.34/4,931.33
  6. Step 6: Final answer
    x = 2,714.87

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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.