Home / 5,913.40-8,870.10-4,856.35

Finding the Fourth Proportional to 5,913.40, 8,870.10 and 4,856.35

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Solution

The fourth proportional to 5,913.40, 8,870.10 and 4,856.35 is: 7,284.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.40 : 8,870.10 = 4,856.35 : x
  2. Step 2: Convert to fraction form
    5,913.40/8,870.10 = 4,856.35/x
  3. Step 3: Cross multiply
    5,913.40x = 8,870.10 × 4,856.35
  4. Step 4: Simplify right side
    5,913.40x = 43,076,310.14
  5. Step 5: Solve for x
    x = 43,076,310.14/5,913.40
  6. Step 6: Final answer
    x = 7,284.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.