Home / 7,258.06-10,018.25-4,740.55

Finding the Fourth Proportional to 7,258.06, 10,018.25 and 4,740.55

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Solution

The fourth proportional to 7,258.06, 10,018.25 and 4,740.55 is: 6,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.06 : 10,018.25 = 4,740.55 : x
  2. Step 2: Convert to fraction form
    7,258.06/10,018.25 = 4,740.55/x
  3. Step 3: Cross multiply
    7,258.06x = 10,018.25 × 4,740.55
  4. Step 4: Simplify right side
    7,258.06x = 47,492,001.84
  5. Step 5: Solve for x
    x = 47,492,001.84/7,258.06
  6. Step 6: Final answer
    x = 6,543.35

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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.