Home / 1,576.35-2,176.25-1,045.95

Finding the Fourth Proportional to 1,576.35, 2,176.25 and 1,045.95

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Solution

The fourth proportional to 1,576.35, 2,176.25 and 1,045.95 is: 1,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.35 : 2,176.25 = 1,045.95 : x
  2. Step 2: Convert to fraction form
    1,576.35/2,176.25 = 1,045.95/x
  3. Step 3: Cross multiply
    1,576.35x = 2,176.25 × 1,045.95
  4. Step 4: Simplify right side
    1,576.35x = 2,276,248.69
  5. Step 5: Solve for x
    x = 2,276,248.69/1,576.35
  6. Step 6: Final answer
    x = 1,444.00

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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.