Home / 6,258.48-8,617.03-5,312.31

Finding the Fourth Proportional to 6,258.48, 8,617.03 and 5,312.31

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Solution

The fourth proportional to 6,258.48, 8,617.03 and 5,312.31 is: 7,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.48 : 8,617.03 = 5,312.31 : x
  2. Step 2: Convert to fraction form
    6,258.48/8,617.03 = 5,312.31/x
  3. Step 3: Cross multiply
    6,258.48x = 8,617.03 × 5,312.31
  4. Step 4: Simplify right side
    6,258.48x = 45,776,334.64
  5. Step 5: Solve for x
    x = 45,776,334.64/6,258.48
  6. Step 6: Final answer
    x = 7,314.29

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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.