Home / 7,579.95-10,459.49-4,222.50

Finding the Fourth Proportional to 7,579.95, 10,459.49 and 4,222.50

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Solution

The fourth proportional to 7,579.95, 10,459.49 and 4,222.50 is: 5,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.95 : 10,459.49 = 4,222.50 : x
  2. Step 2: Convert to fraction form
    7,579.95/10,459.49 = 4,222.50/x
  3. Step 3: Cross multiply
    7,579.95x = 10,459.49 × 4,222.50
  4. Step 4: Simplify right side
    7,579.95x = 44,165,196.53
  5. Step 5: Solve for x
    x = 44,165,196.53/7,579.95
  6. Step 6: Final answer
    x = 5,826.58

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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.