Home / 7,020.95-10,528.74-2,340.06

Finding the Fourth Proportional to 7,020.95, 10,528.74 and 2,340.06

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Solution

The fourth proportional to 7,020.95, 10,528.74 and 2,340.06 is: 3,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.95 : 10,528.74 = 2,340.06 : x
  2. Step 2: Convert to fraction form
    7,020.95/10,528.74 = 2,340.06/x
  3. Step 3: Cross multiply
    7,020.95x = 10,528.74 × 2,340.06
  4. Step 4: Simplify right side
    7,020.95x = 24,637,883.32
  5. Step 5: Solve for x
    x = 24,637,883.32/7,020.95
  6. Step 6: Final answer
    x = 3,509.20

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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.