Home / 6,585.84-9,077.40-5,407.92

Finding the Fourth Proportional to 6,585.84, 9,077.40 and 5,407.92

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Solution

The fourth proportional to 6,585.84, 9,077.40 and 5,407.92 is: 7,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.84 : 9,077.40 = 5,407.92 : x
  2. Step 2: Convert to fraction form
    6,585.84/9,077.40 = 5,407.92/x
  3. Step 3: Cross multiply
    6,585.84x = 9,077.40 × 5,407.92
  4. Step 4: Simplify right side
    6,585.84x = 49,089,853.01
  5. Step 5: Solve for x
    x = 49,089,853.01/6,585.84
  6. Step 6: Final answer
    x = 7,453.85

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1.5x scale

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.