Home / 5,364.48-8,045.76-1,902.72

Finding the Fourth Proportional to 5,364.48, 8,045.76 and 1,902.72

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Solution

The fourth proportional to 5,364.48, 8,045.76 and 1,902.72 is: 2,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.48 : 8,045.76 = 1,902.72 : x
  2. Step 2: Convert to fraction form
    5,364.48/8,045.76 = 1,902.72/x
  3. Step 3: Cross multiply
    5,364.48x = 8,045.76 × 1,902.72
  4. Step 4: Simplify right side
    5,364.48x = 15,308,828.47
  5. Step 5: Solve for x
    x = 15,308,828.47/5,364.48
  6. Step 6: Final answer
    x = 2,853.74

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1.5x scale

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.