Home / 1,875.18-2,589.93-1,432.11

Finding the Fourth Proportional to 1,875.18, 2,589.93 and 1,432.11

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Solution

The fourth proportional to 1,875.18, 2,589.93 and 1,432.11 is: 1,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.18 : 2,589.93 = 1,432.11 : x
  2. Step 2: Convert to fraction form
    1,875.18/2,589.93 = 1,432.11/x
  3. Step 3: Cross multiply
    1,875.18x = 2,589.93 × 1,432.11
  4. Step 4: Simplify right side
    1,875.18x = 3,709,064.65
  5. Step 5: Solve for x
    x = 3,709,064.65/1,875.18
  6. Step 6: Final answer
    x = 1,977.98

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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.