Home / 5,040.57-6,955.56-2,915.67

Finding the Fourth Proportional to 5,040.57, 6,955.56 and 2,915.67

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Solution

The fourth proportional to 5,040.57, 6,955.56 and 2,915.67 is: 4,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.57 : 6,955.56 = 2,915.67 : x
  2. Step 2: Convert to fraction form
    5,040.57/6,955.56 = 2,915.67/x
  3. Step 3: Cross multiply
    5,040.57x = 6,955.56 × 2,915.67
  4. Step 4: Simplify right side
    5,040.57x = 20,280,117.63
  5. Step 5: Solve for x
    x = 20,280,117.63/5,040.57
  6. Step 6: Final answer
    x = 4,023.38

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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.