Home / 2,916.85-4,024.91-1,657.45

Finding the Fourth Proportional to 2,916.85, 4,024.91 and 1,657.45

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Solution

The fourth proportional to 2,916.85, 4,024.91 and 1,657.45 is: 2,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.85 : 4,024.91 = 1,657.45 : x
  2. Step 2: Convert to fraction form
    2,916.85/4,024.91 = 1,657.45/x
  3. Step 3: Cross multiply
    2,916.85x = 4,024.91 × 1,657.45
  4. Step 4: Simplify right side
    2,916.85x = 6,671,078.79
  5. Step 5: Solve for x
    x = 6,671,078.79/2,916.85
  6. Step 6: Final answer
    x = 2,287.08

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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.