Home / 2,916.65-4,025.01-1,590.35

Finding the Fourth Proportional to 2,916.65, 4,025.01 and 1,590.35

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Solution

The fourth proportional to 2,916.65, 4,025.01 and 1,590.35 is: 2,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.65 : 4,025.01 = 1,590.35 : x
  2. Step 2: Convert to fraction form
    2,916.65/4,025.01 = 1,590.35/x
  3. Step 3: Cross multiply
    2,916.65x = 4,025.01 × 1,590.35
  4. Step 4: Simplify right side
    2,916.65x = 6,401,154.53
  5. Step 5: Solve for x
    x = 6,401,154.53/2,916.65
  6. Step 6: Final answer
    x = 2,194.70

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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.