Home / 7,870.46-10,861.53-4,333.58

Finding the Fourth Proportional to 7,870.46, 10,861.53 and 4,333.58

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Solution

The fourth proportional to 7,870.46, 10,861.53 and 4,333.58 is: 5,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.46 : 10,861.53 = 4,333.58 : x
  2. Step 2: Convert to fraction form
    7,870.46/10,861.53 = 4,333.58/x
  3. Step 3: Cross multiply
    7,870.46x = 10,861.53 × 4,333.58
  4. Step 4: Simplify right side
    7,870.46x = 47,069,309.18
  5. Step 5: Solve for x
    x = 47,069,309.18/7,870.46
  6. Step 6: Final answer
    x = 5,980.50

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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.