Home / 7,840.06-10,819.28-4,303.35

Finding the Fourth Proportional to 7,840.06, 10,819.28 and 4,303.35

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Solution

The fourth proportional to 7,840.06, 10,819.28 and 4,303.35 is: 5,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.06 : 10,819.28 = 4,303.35 : x
  2. Step 2: Convert to fraction form
    7,840.06/10,819.28 = 4,303.35/x
  3. Step 3: Cross multiply
    7,840.06x = 10,819.28 × 4,303.35
  4. Step 4: Simplify right side
    7,840.06x = 46,559,159.35
  5. Step 5: Solve for x
    x = 46,559,159.35/7,840.06
  6. Step 6: Final answer
    x = 5,938.62

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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.