Home / 5,461.12-7,533.30-3,783.51

Finding the Fourth Proportional to 5,461.12, 7,533.30 and 3,783.51

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Solution

The fourth proportional to 5,461.12, 7,533.30 and 3,783.51 is: 5,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.12 : 7,533.30 = 3,783.51 : x
  2. Step 2: Convert to fraction form
    5,461.12/7,533.30 = 3,783.51/x
  3. Step 3: Cross multiply
    5,461.12x = 7,533.30 × 3,783.51
  4. Step 4: Simplify right side
    5,461.12x = 28,502,330.07
  5. Step 5: Solve for x
    x = 28,502,330.07/5,461.12
  6. Step 6: Final answer
    x = 5,219.14

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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.