Home / 6,450.40-8,902.56-4,681.36

Finding the Fourth Proportional to 6,450.40, 8,902.56 and 4,681.36

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Solution

The fourth proportional to 6,450.40, 8,902.56 and 4,681.36 is: 6,461.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.40 : 8,902.56 = 4,681.36 : x
  2. Step 2: Convert to fraction form
    6,450.40/8,902.56 = 4,681.36/x
  3. Step 3: Cross multiply
    6,450.40x = 8,902.56 × 4,681.36
  4. Step 4: Simplify right side
    6,450.40x = 41,676,088.28
  5. Step 5: Solve for x
    x = 41,676,088.28/6,450.40
  6. Step 6: Final answer
    x = 6,461.01

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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.